{"id":"CVE-2026-63228","aliases":["EUVD-2026-50123","GHSA-7m4m-66m8-f488"],"status":"published","title":"Unrestricted image upload vulnerability","description":"An unrestricted image upload vulnerability in\nKoollab LMS allowed\nan authenticated attacker to upload malicious content disguised as an image\nfile via the feedback mail registration endpoint, potentially enabling further\nattacks on the server.","severity":{"version":"3.1","score":2.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00205,"percentile":0.10651,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2026-07-29T06:08:36Z","modified":"2026-10-23T23:10:00Z","products":[{"vendor":"an unrestricted scorm file upload vulnerability in koollab lms allowed an authenticated module designer to upload a scorm package containing a php webshell to a publicly accessible directory and execute arbitrary code on the server.","product":"koollab lms"},{"vendor":"three learning","product":"koollab lms"}],"references":[{"url":"https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63228"},{"url":"https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094"},{"url":"https://github.com/advisories/GHSA-7m4m-66m8-f488"}],"sources":{"cve":[{"id":"CVE-2026-63228","title":"Unrestricted image upload vulnerability","description":"An unrestricted image upload vulnerability in\nKoollab LMS allowed\nan authenticated attacker to upload malicious content disguised as an image\nfile via the feedback mail registration endpoint, potentially enabling further\nattacks on the server.","status":"published","published":"2026-07-29T06:08:36.35Z","modified":"2026-07-29T15:23:31.886Z","cvss":[{"version":"3.1","score":2.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:19:55.914391Z"}],"euvd":[{"id":"EUVD-2026-50123","description":"An unrestricted image upload vulnerability in\nKoollab LMS allowed\nan authenticated attacker to upload malicious content disguised as an image\nfile via the feedback mail registration endpoint, potentially enabling further\nattacks on the server.","status":"published","published":"2026-07-29T06:08:36Z","modified":"2026-07-29T15:23:31Z","cvss":[{"version":"3.1","score":2.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T18:02:29.807737Z"}],"ghsa":[{"id":"GHSA-7m4m-66m8-f488","title":"An unrestricted image upload vulnerability in\nKoollab LMS allowed\nan authenticated attacker to...","description":"An unrestricted image upload vulnerability in\nKoollab LMS allowed\nan authenticated attacker to upload malicious content disguised as an image\nfile via the feedback mail registration endpoint, potentially enabling further\nattacks on the server.","status":"published","published":"2026-07-29T09:31:27Z","modified":"2026-07-29T18:31:37Z","cvss":[{"version":"3.1","score":2.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:09:54.335538Z"}],"nvd":[{"id":"CVE-2026-63228","description":"An unrestricted image upload vulnerability in\nKoollab LMS allowed\nan authenticated attacker to upload malicious content disguised as an image\nfile via the feedback mail registration endpoint, potentially enabling further\nattacks on the server.","status":"published","published":"2026-07-29T07:16:42.16Z","modified":"2026-10-23T23:10:00.157Z","cvss":[{"version":"3.1","score":2.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:12:33.629616Z"}]}}